static void
show_parsing_error (GtkCssProvider *provider,
GtkCssSection *section,
const GError *error,
GtkTextBuffer *buffer)
{
GtkTextIter start, end;
const char *tag_name;
gtk_text_buffer_get_iter_at_line_index (buffer,
&start,
gtk_css_section_get_start_line (section),
gtk_css_section_get_start_position (section));
gtk_text_buffer_get_iter_at_line_index (buffer,
&end,
gtk_css_section_get_end_line (section),
gtk_css_section_get_end_position (section));
if (g_error_matches (error, GTK_CSS_PROVIDER_ERROR, GTK_CSS_PROVIDER_ERROR_DEPRECATED))
tag_name = "warning";
else
tag_name = "error";
gtk_text_buffer_apply_tag_by_name (buffer, tag_name, &start, &end);
}
void SourceEditor::unhighlightAllTokens(int beginLine, int beginColumn,
int endLine, int endColumn)
{
GtkTextBuffer *buffer = gtk_text_view_get_buffer(
GTK_TEXT_VIEW(gtkSourceView()));
GtkTextIter begin, end;
gtk_text_buffer_get_iter_at_line_index(buffer, &begin,
beginLine, beginColumn);
if (endLine == -1 && endColumn == -1)
gtk_text_buffer_get_end_iter(buffer, &end);
else
gtk_text_buffer_get_iter_at_line_index(buffer, &end,
endLine, endColumn);
for (int i = 0; i < N_TOKEN_KINDS; ++i)
gtk_text_buffer_remove_tag(buffer, tokenTags[i],
&begin, &end);
}
void SourceEditor::highlightToken(int beginLine, int beginColumn,
int endLine, int endColumn,
TokenKind tokenKind)
{
GtkTextBuffer *buffer = gtk_text_view_get_buffer(
GTK_TEXT_VIEW(gtkSourceView()));
GtkTextIter begin, end;
gtk_text_buffer_get_iter_at_line_index(buffer, &begin,
beginLine, beginColumn);
if (endLine == -1 && endColumn == -1)
gtk_text_buffer_get_end_iter(buffer, &end);
else
gtk_text_buffer_get_iter_at_line_index(buffer, &end,
endLine, endColumn);
gtk_text_buffer_apply_tag(buffer,
tokenTags[tokenKind],
&begin, &end);
}
/********** 'set_chord_position' function ************************************/
gint set_chord_position(GtkWidget *t_view, GtkTextBuffer *buffer)
{
GtkTextTag *tag;
GtkTextMark *end_chord,
*start_chord;
GtkTextIter ch,
chord_S,
chord_E,
match_end,
match_start,
start_of_line;
GtkClipboard *clipboard;
gint line_num_1,
line_num_2,
line_count_V,
line_offset_1,
line_offset_2;
line_count_V = gtk_text_buffer_get_line_count(buffer);
clipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
gtk_text_buffer_get_start_iter(buffer, &start_of_line);
if(gtk_text_iter_forward_search(&start_of_line, "[", 1,
&match_start, &match_end, NULL))
{
gtk_text_buffer_create_mark(buffer, "start_chord", &match_start, FALSE);
start_chord = gtk_text_buffer_get_mark(buffer, "start_chord");
}
else
{
return -1;
}
if(gtk_text_iter_forward_search(&start_of_line, "]", 1,
&match_start, &match_end, NULL))
{
gtk_text_buffer_create_mark(buffer, "end_chord", &match_end, FALSE);
end_chord = gtk_text_buffer_get_mark(buffer, "end_chord");
}
else
{
return -1;
}
// Initializes iters at mark.
gtk_text_buffer_get_iter_at_mark(buffer, &chord_S, start_chord);
gtk_text_buffer_get_iter_at_mark(buffer, &chord_E, end_chord);
// Get line and line offset of iter. If we just obtain the offset
// within buffer then chord_S will not format as desired.
line_num_1 = gtk_text_iter_get_line(&chord_S);
line_offset_1 = gtk_text_iter_get_line_index(&chord_S);
line_num_2 = gtk_text_iter_get_line(&chord_E);
line_offset_2 = gtk_text_iter_get_line_index(&chord_E);
// This returns with error if end bracket does not have a
// matching start bracket.
if(line_offset_1 > line_offset_2)
{
return -1;
}
//g_print("Lineoffset of start:end bracket:\n%d\n%d\n", line_offset_1, line_offset_2);
// If chord found is found more than two lines down
// refresh global values of 'line_count_C' and 'line_num_C'.
if(line_num_1 > (line_num_C + 1))
{
line_num_C = line_num_1;
line_count_C = line_count_V;
}
// Copy, cut, and add tags to the section between the marks.
gtk_text_buffer_select_range(buffer, &chord_S, &chord_E);
tag = gtk_text_buffer_create_tag(buffer, NULL, "background", "gold",
"weight", "500",
"foreground-gdk", "black3", NULL);
gtk_text_buffer_apply_tag(buffer, tag, &chord_S, &chord_E);
gtk_text_buffer_cut_clipboard(buffer, clipboard, TRUE);
// This finds first chord of line.
if(line_count_V == line_count_C)
{
gtk_text_buffer_get_iter_at_line(buffer, &start_of_line, line_num_1);
gtk_text_buffer_insert(buffer, &start_of_line, "\n", -1);
}
// This finds the rest of the chord_S on the same line as the first.
if(line_num_1 == (line_num_C + 1))
{
line_num_1 = line_num_1 - 1;
line_num_2 = line_num_2 - 1;
}
gtk_text_buffer_get_iter_at_line(buffer, &ch, line_num_1);
// Insert 110 blank spaces so we can insert chord_S at higher offsets than 0.
// GtkTextBuffer does not allow us to insert past a newline character
// so we move it with spaces to allow us to place chord_S at offsets
// past a newline character.
if(gtk_text_iter_get_char(&ch) == '\n')
{
gtk_text_buffer_insert(buffer, &ch,
" ",
-1);
}
// Place iter at the same offset one line above.
gtk_text_buffer_get_iter_at_line_index(buffer, &ch, line_num_1, line_offset_1);
//g_print("Position after cut: %d\n", line_offset_1);
gtk_text_buffer_paste_clipboard(buffer, clipboard, &ch, TRUE);
gtk_text_buffer_get_iter_at_line_offset(buffer, &ch, line_num_1, line_offset_2);
// Deletes the end bracket.
gtk_text_buffer_backspace(buffer, &ch, FALSE, TRUE);
gtk_text_buffer_get_iter_at_line_offset(buffer, &ch, line_num_1, line_offset_1 +1);
// Deletes the start bracket.
gtk_text_buffer_backspace(buffer, &ch, FALSE, TRUE);
gtk_text_buffer_delete_mark_by_name(buffer, "start_chord");
gtk_text_buffer_delete_mark_by_name(buffer, "end_chord");
return 0;
}
